蜜桃精选av,久久亚洲AV无码精品色麻豆夜,在线观看人成视频免费不卡,а√中文在线资源库

Company Profile
Enterprise Profile
1999
Date of Incorporation
5
%
+
Proportion of R&D Investment turnover
10
%
Proportion of R&D Personnel companies
20
People
+
Research and development elite team led by doctoral supervisor

Guangdong Zhongshi Metal Co., LTD., a high-tech enterprise, welding material supplier for national aerospace and military units, is a manufacturer that provides high-quality welding materials and customized metal materials for aerospace, military and civil industries. Founded in 1999, the company is headquartered in Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province. The registered capital is 22 million yuan, with an annual capacity of 8,000 tons.

?

The company's products are: preformed solder, solder paste, tin wire, tin bar, BGA tin ball, anode rod, flux, cleaning agent, adhesive, gold wire and gold belt series, custom high precision copper shaped wire and other categories. Products are used in military, aerospace, medical, global electronics and other fields. Cooperative customers include China Aerospace Science and Industry Corporation, Aerospace Science and Technology Group, China Electronics, China Weapons, China Shipbuilding, Chinese Academy of Sciences, Guilin Aerospace Electronics, Shaanxi Aerospace Navigation Equipment Co., LTD., Huawei, ZTE, TCL, BYD, Jingxin Communications, Emerson, Huabai, Huaqin Group, Quanhan, etc.

?

The company has more than 30 independent research and development patents, including 21 invention patents authorized, 2 appearance patents authorized, 1 utility model authorized, and 7 invention patents currently under actual examination. Among them, the patent of "a halogen-free flux for lead-free solder paste and its preparation method" is applied to any product with halogen-free requirements and focuses on environmental protection. The patents of "A high reliability low temperature lead-free solder paste and its preparation method" and "a cored solder wire solid flux that can reduce flying" are suitable for a variety of electronic base plate materials and multiple process Windows, and have a wide range of applications in the electronics industry.

?

The company has won a number of honorary titles, and has been awarded as "National high-tech Enterprise", "Guangdong Engineering Technology Research Center", "Guangdong Famous brand products", "electronic tin solder professional top ten enterprises", "Guangdong Province contract and credit enterprises", "Dongguan patent cultivation Enterprise" and other honorary titles.

?

Committed to R & D innovation is the core value of the company, the company's annual investment in R & D funds accounted for more than 5% of the turnover, R & D team has senior, professional, assistant R & D engineers 19, accounting for about 10% of all members. In addition, the company has conducted technical exchanges and cooperation with Tsinghua University, South China Institute of Technology, Ukraine Barton Welding Research Institute and other universities for a long time, and formed a research and development elite team led by a doctoral supervisor.

?

Zhongshi will adhere to the concept of scientific research and innovation, quality first, and customer service, and strive to be the leader of the global industry.

Zhongshi spirit: innovation and enterprising, the pursuit of excellence, create and share, return to society.

Milestone

Zhongshi enterprise, with its innovative design, excellent products, has been widely recognized in the industry. Through 30 years of development, along the way, it has successfully become a leader in the production of large-scale electronic tin solders in China!

2022

Recognized as “National Specialized and Sophisticated enterprise” by the Ministry of Industry and Information Technology

2021

Worked in the technical committee to draft the national standard of copper channel wire

2020

Worked in the technical committee to draft and publish the national standard“Tin-Lead (GB/T 3131-2020)”

?

Equipment upgrade.

2017

Launched the program of electronics packaging in New Energy Vehicles

?

Established Zhongshi Academician Workstation with Academician Korzhyk Volodymyr from China-Ukraine Institute of Welding, Guangdong Academy of Sciences

2016

Worked in the technical committee to draft and publish the industrial standard “No-clean liquid flux (SJT11273-2016)”

2015

Started to cooperate with Electronics and Semiconductor Packaging industry.

?

Introduced high precision alloy and copper profiles equipment and technology.

2013

Established Guangdong Provincial Engineering and Technological Research Center for Brazing in Zhongshi.

?

Cooperated with South China University of Technology.

2012

Moved to Songshan Lake High-Tech Zone of Dongguan City

2010

Renamed as Guangdong Zhongshi Metals Co., Ltd

2010

Recognized as China National hi-tech enterprise

?

Registered “Zhongshi”as our trademark

2008

Acquiring Beijing Aerospace Solder Material Factory (a subsidiary of China Aerospace Science and Industry Co., Ltd.), marked we are becoming an technology oriented company.

?

Invented water-based no-clean flux with no volatile organic compounds, halogen-free and low solid content; and soldering flux products came to market.?

?

Introduced solder preforms equipment and technology.

2004

Renamed as Dongguan Zhongshi Solder Co., Ltd

2003

According to RoHS standards, lead-free solder products came to market

Be a member of Electronic Tin Solder branch of China Electronics Materials Industry Association

1999

Dongguan Humen Zhongshi Solder Factory established

Company Philosophy
Enterprise Purpose

Tree technology star,

Set up green pine sea sail.

Enterprise Mission

Development and promotion of environmental protection products,

Protect the human living environment.

Corporate Vision

To be the leader of the Chinese industry,

Create an international brand and serve the space industry

Enterprise Philosophy

Talent elite,Management Standardization

Quality standardization.

Enterprise Spirit

Innovation and enterprising,The pursuit of excellence

Create sharing,Return to society

Certificates
Company Profile
日日躁夜躁AAAAXXXX| 无套中出丰满人妻无码| 四虎永久地址WWW成人久久| 日本边添边摸边做边爱的网站| 色欲性色av一区二区三区| yirentingting| 日韩人伦一区二区| 手机看片国产AV一区| 亚洲国产中文二区三区免| 久久躁狠狠爱| 激情小说激情图片av| 国产性爱免费视频| 中文字幕一区二区三区久久网站| 无码人妻一区二区三区手机视频 | 日韩亚洲国产中文字幕欧美| 超碰超碰超碰一区人妻| 亚洲激情久久| 人妻系列av无码专区| 丁香婷婷六月| 激情性爱九九九网| 国产成人亚洲日韩欧美性| 免费XXXXXX大片在线一二区| 国产成人黄网站在线观看| 日韩精品字幕一区| 欧美另类图区清纯亚洲| 97人妇精品一区二区三区| 俺来也俺去了| 亚洲AV无码专区电影在线观看| 久热国产99999| 久久jiujiure| 无码中文字幕va精品影院 | 六月婷婷网站| 日韩AV高潮喷水在线观看| 西西午夜无码大胆啪啪国模| 亚洲精品一区二三区不卡| 天堂国产在线| 无码国产色欲XXXXX视频明星| 国产色婷婷| 免费人成自慰网站| 牦户一区二区三区| 国产αV在线|